using System;
using System.Web.UI.HtmlControls;

public partial class Products : System.Web.UI.Page {
    protected void Page_Load(object sender, EventArgs e) {
        string theme = "vista";
        if (!String.IsNullOrEmpty(Request.QueryString["theme"])) {
            theme = Request.QueryString["theme"];
        }
        HtmlLink css = new HtmlLink();
        css.Href = String.Format("js/ext-1.1/css/xtheme-{0}.css", theme);
        css.Attributes["rel"] = "stylesheet";
        css.Attributes["type"] = "text/css";
        Header.Controls.Add(css);

    }
}
